/**
 * Frontend Styles
 * 
 * @package PEWP_Exercices_E5B
 */

:root {
    --pewp-primary: #2E86C1;
    --pewp-accent: #1A5276;
    --pewp-secondary: #85C1E9;
    --pewp-success: #27AE60;
    --pewp-warning: #F39C12;
    --pewp-danger: #E74C3C;
    --pewp-light: #ECF0F1;
    --pewp-dark: #2C3E50;
    --pewp-white: #FFFFFF;
}

/* Exercise Interface */
.pewp-e5b-exercise-container {
    max-width: 900px;
    margin: 40px auto;
    background: var(--pewp-white);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.pewp-e5b-exercise-header {
    background: linear-gradient(135deg, var(--pewp-primary), var(--pewp-accent));
    color: var(--pewp-white);
    padding: 30px;
}

.pewp-e5b-exercise-title {
    font-size: 28px;
    margin: 0 0 10px;
    font-weight: 700;
}

.pewp-e5b-exercise-info {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    opacity: 0.9;
}

.pewp-e5b-exercise-body {
    padding: 30px;
}

.pewp-e5b-question {
    background: var(--pewp-light);
    border-left: 4px solid var(--pewp-primary);
    padding: 20px;
    margin-bottom: 25px;
    border-radius: 8px;
}

.pewp-e5b-question-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--pewp-dark);
    margin-bottom: 15px;
}

.pewp-e5b-answers {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.pewp-e5b-answer {
    display: flex;
    align-items: center;
    padding: 15px;
    background: var(--pewp-white);
    border: 2px solid var(--pewp-border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pewp-e5b-answer:hover {
    border-color: var(--pewp-primary);
    background: rgba(46, 134, 193, 0.05);
}

.pewp-e5b-answer input[type="radio"] {
    margin-right: 12px;
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.pewp-e5b-answer.selected {
    border-color: var(--pewp-primary);
    background: rgba(46, 134, 193, 0.1);
}

.pewp-e5b-answer.correct {
    border-color: var(--pewp-success);
    background: rgba(39, 174, 96, 0.1);
}

.pewp-e5b-answer.incorrect {
    border-color: var(--pewp-danger);
    background: rgba(231, 76, 60, 0.1);
}

/* Timer */
.pewp-e5b-timer {
    position: fixed;
    top: 100px;
    right: 30px;
    background: var(--pewp-white);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    text-align: center;
    min-width: 150px;
}

.pewp-e5b-timer-label {
    font-size: 12px;
    color: #7F8C8D;
    text-transform: uppercase;
    margin-bottom: 5px;
}

.pewp-e5b-timer-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--pewp-primary);
}

.pewp-e5b-timer.warning .pewp-e5b-timer-value {
    color: var(--pewp-warning);
}

.pewp-e5b-timer.danger .pewp-e5b-timer-value {
    color: var(--pewp-danger);
    animation: pulse 1s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* Progress Tracker */
.pewp-e5b-progress-tracker {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: var(--pewp-light);
    border-radius: 8px;
    margin-bottom: 30px;
}

.pewp-e5b-progress-steps {
    display: flex;
    gap: 10px;
}

.pewp-e5b-progress-step {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--pewp-white);
    border: 2px solid var(--pewp-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.pewp-e5b-progress-step.completed {
    background: var(--pewp-success);
    border-color: var(--pewp-success);
    color: var(--pewp-white);
}

.pewp-e5b-progress-step.current {
    background: var(--pewp-primary);
    border-color: var(--pewp-primary);
    color: var(--pewp-white);
    transform: scale(1.2);
}

/* Results */
.pewp-e5b-results {
    text-align: center;
    padding: 40px;
}

.pewp-e5b-score-circle {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    margin: 0 auto 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    font-weight: 700;
    color: var(--pewp-white);
    position: relative;
}

.pewp-e5b-score-circle.excellent {
    background: linear-gradient(135deg, var(--pewp-success), #1E8449);
}

.pewp-e5b-score-circle.good {
    background: linear-gradient(135deg, var(--pewp-primary), var(--pewp-accent));
}

.pewp-e5b-score-circle.average {
    background: linear-gradient(135deg, var(--pewp-warning), #D68910);
}

.pewp-e5b-score-circle.poor {
    background: linear-gradient(135deg, var(--pewp-danger), #C0392B);
}

.pewp-e5b-results-message {
    font-size: 24px;
    font-weight: 600;
    color: var(--pewp-dark);
    margin-bottom: 20px;
}

.pewp-e5b-results-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.pewp-e5b-result-detail {
    padding: 20px;
    background: var(--pewp-light);
    border-radius: 8px;
}

.pewp-e5b-result-detail-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--pewp-primary);
}

.pewp-e5b-result-detail-label {
    font-size: 14px;
    color: #7F8C8D;
    margin-top: 5px;
}

/* Responsive */
@media (max-width: 768px) {
    .pewp-e5b-exercise-container {
        margin: 20px;
    }

    .pewp-e5b-timer {
        position: static;
        margin-bottom: 20px;
    }

    .pewp-e5b-results-details {
        grid-template-columns: 1fr;
    }
}